9612660563244 has 72 divisors (see below), whose sum is σ = 24611721039360. Its totient is φ = 3162956745312.

The previous prime is 9612660563197. The next prime is 9612660563257. The reversal of 9612660563244 is 4423650662169.

9612660563244 is a `hidden beast` number, since 9 + 6 + 1 + 2 + 6 + 605 + 6 + 3 + 24 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12489769 + ... + 13237055.

It is an arithmetic number, because the mean of its divisors is an integer number (341829458880).

Almost surely, 2^{9612660563244} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9612660563244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12305860519680).

9612660563244 is an abundant number, since it is smaller than the sum of its proper divisors (14999060476116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9612660563244 is a wasteful number, since it uses less digits than its factorization.

9612660563244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751899 (or 751894 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 9612660563244 in words is "nine trillion, six hundred twelve billion, six hundred sixty million, five hundred sixty-three thousand, two hundred forty-four".